Iron



FIG. 1 is a front view of the iron;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a bottom view thereof.

The ornamental design for an iron, as shown and described.